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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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21. NCERT objective based questions

5 m.

Choose the correct answer:

1. Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

2. If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?

3. The correct sequence of anaerobic reactions in yeast is

$Glucose \overset{cytoplasm}{⟶} Pyruvate \overset{mitochondria}{⟶} Ethanol + Carnon dioxide$
$Glucose \overset{cytoplasm}{⟶} Pyruvate \overset{cytoplasm}{⟶} Ethanol + Carbon dioxide$
$Glucose \overset{cytoplasm}{⟶} Pyruvate \overset{mitochondria}{⟶} Lactic acid$
$Glucose \overset{cytoplasm}{⟶} Pyruvate \overset{cytoplasm}{⟶} Lactic acid$

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